Horton

Re: BUG #17199: Calling stored procedure with stable function as argument results in wrong result

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: notegihu@confused.at
Cc: pgsql-bugs@lists.postgresql.org
Date: 2021-09-21T15:01:11Z
Lists: pgsql-bugs 
PG Bug reporting form <noreply@postgresql.org> writes:
> When a function that returns just a row count of a table is marked as STABLE
> and is called from a stored procedure as argument, the result of the
> function is different than when the function is called beforehand and stored
> to a local variable.

Ugh.  Looks like I broke this in 84f5c2908, by not thinking about the
possibility that a CALL's argument expressions would need an up-to-date
snapshot.

Will fix, thanks for the report!

			regards, tom lane

Commits

  1. Fix misevaluation of STABLE parameters in CALL within plpgsql.